Abstract
Introduction The 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors, named statins, are well-established cholesterol-lowering drugs able to reduce cardiovascular risk in hypercholesterolemic patients. The possible effect of statin on bone tissue, so-called pleiotropic effects has received particular attention. Studies reported a positive effect of statin on bone tissue in both of animal and human study by enhancing the expression of the bone morphogenetic proteins (BMPs), in particular of BMP2, which in turn leads to osteoblast differentiation and bone formation including interfering with osteoclastic activity. In a systematic review, the lipophilic statin as simvastatin had positive effect to bone mineral density (BMD) better than the more hydrophilic statin such as atorvastatin and fluvastatin. This study was aimed to compare efficacy of medical therapy between HMG-CoA reductase inhibitor and non-HMG-CoA reductase inhibitor group to changing of bone mineral density and bone markers in the patients with hyperlipidemia. Materials and methods A prospective randomized control trial study enrolled the 212 hyperlipidemia with osteopenia patients to study in year 2006–2008. All subjects were randomized to 2 groups between statin and non-statin group; the patients were screened by inclusion criteria and measured in bone mineral density (BMD), bone marker and blood chemistry. All data were analyzed by difference of changing in bone marker and BMD between statin and non-statin groups using paired t test. Results The present study showed 212 hyperlipidemia with osteopenia patients of which 106 patients in statin group had mean age (63.17 ± 9.51 years) and the same number of patients in non-statin group had mean age (60.96 ± 8.9 years). All subjects were 63 patients in male and 149 patients in female. Difference of bone formation marker and BMD between after and before was significantly higher than in statin group and the difference of bone resorption marker was also significantly lower than in statin group. Conclusion The lipophilic statin as moderate to high dose of simvastatin had beneficial positive effect to increasing BMD and could be additive use for prevention of bone loss in hyperlipidemia patients.
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